Lexus RX350 Transmission Repair Chicago

Expert Lexus RX350 transmission service in Chicago. Free computer diagnostic, 2-year / 24,000-mile warranty on rebuilds, all years.

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Lexus RX350 Transmission Repair Chicago service at Chicago Transmission in Lincoln Park

Transmission History by Year - Lexus RX350

2007 - 2009: U151E 5-speed automatic (FWD) or U151F (AWD)
2010 - 2015: U660E 6-speed automatic (FWD) or U660F (AWD)
2016 - 2022: U760E 8-speed automatic
2023+: 8-speed automatic (new platform)

Known Lexus RX350 Transmission Problems

U660E/U660F (2010 - 2015): Solenoid pack wear at 120 - 160k miles - one of the more reliable transmissions we service, but the solenoid pack does eventually degrade
U760E (2016 - 2022): Valve body solenoid wear developing - similar pattern to U660E but less common at current fleet mileage
U151E/F (2007 - 2009): Overdrive clutch wear on high-mileage units

Our Repair Process

U660E/U760E: solenoid pack if codes indicate, full rebuild for clutch damage. Toyota ATF WS is critical - using wrong fluid accelerates solenoid failure. Very reliable with proper maintenance.

Fluid Specification

Toyota ATF WS - change every 60,000 miles

Verify exact spec on the dipstick label or owner's manual before fill. Recommended change interval: every 60,000 miles for normal driving, 30,000 miles under severe service (towing, stop-and-go, hot climates). Pan service typically takes 6 - 8 quarts; a full fluid exchange takes 10 - 14 quarts depending on cooler-line capacity.

Repair Time Estimate

2 - 3 days.

Fluid service and inspection complete the same day. Solenoid or sensor replacement: 1 day. Torque converter or seal repair: 2 - 3 days. Full rebuild with road test: 4 - 6 days. Time estimates assume parts in stock - call (312) 626-8759 to verify availability for your specific vehicle.

Pricing - Lexus RX350

U660E solenoid pack: $450 - 700
U660E rebuild: $1,600 - 2,400
U760E rebuild: $1,800 - 2,600
Call for exact quote.

Call for exact quote on your specific year and engine.

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Common Repair Conversations

What We Help You Sort Out

Every vehicle needs diagnosis before anyone can promise a repair path. These are the situations we help organize before you decide what to do next.

Slipping or delayed engagement

Tell us when it happens, whether reverse still works, and if warning lights are on. A scan and fluid check come before guessing at a rebuild.

Leaks, burning smell, or overheating

Fluid condition, leak location, and driving distance matter. If the vehicle is slipping badly or overheating, towing may be the safer next step.

Rebuild, replacement, or targeted repair

A failed solenoid, valve body, converter, or internal clutch problem can lead to very different repair paths. The goal is a clear diagnosis and written estimate.

Request a Free Diagnostic Call (312) 626-8759

Lexus RX350 FAQ